diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem_vma.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem_vma.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c index 5f6a11211b64..f914ddbaea89 100644 --- a/drivers/gpu/drm/msm/msm_gem_vma.c +++ b/drivers/gpu/drm/msm/msm_gem_vma.c @@ -17,6 +17,7 @@ msm_gem_address_space_destroy(struct kref *kref) drm_mm_takedown(&aspace->mm); if (aspace->mmu) aspace->mmu->funcs->destroy(aspace->mmu); + put_pid(aspace->pid); kfree(aspace); } @@ -27,6 +28,15 @@ void msm_gem_address_space_put(struct msm_gem_address_space *aspace) kref_put(&aspace->kref, msm_gem_address_space_destroy); } +struct msm_gem_address_space * +msm_gem_address_space_get(struct msm_gem_address_space *aspace) +{ + if (!IS_ERR_OR_NULL(aspace)) + kref_get(&aspace->kref); + + return aspace; +} + /* Actually unmap memory for the vma */ void msm_gem_purge_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma) @@ -78,8 +88,10 @@ msm_gem_map_vma(struct msm_gem_address_space *aspace, ret = aspace->mmu->funcs->map(aspace->mmu, vma->iova, sgt, size, prot); - if (ret) + if (ret) { vma->mapped = false; + vma->inuse--; + } return ret; } |